Assassination Classroom 12 Macui Jsei (2016)

This English-language manga follows Class 3-E, whose students must assassinate their extraordinary teacher after he destroys the moon and threatens to do the same to Earth, with a reward of 100 million from the Ministry of Defense. Their target possesses alien technology, bizarre powers and tentacles, making the task anything but simple. Mr. Karasuma provides the students with super-powered uniforms, leading to remarkable feats, while his birthday bouquet for Ms. Vitch produces disastrous results. When a Class 3-E teacher is kidnapped by the master assassin Death, who threatens to kill the hostage if the students reveal what has happened, their rescue attempt goes horribly wrong and they soon need rescuing themselves, with the fate of the world at stake.